Today Facebook Inc. said it agreed to buy the startup for about $2 billion, marking another in a string of wins for Boston-based Spark.

Here’s a breakdown of the venture firm’s impressive two-year run:

In 2012, Zynga Inc. paid about $180 million for gaming company Omgpop, which had raised $16 million in equity from investors. Spark Capital made its initial investment in 2008, contributing $1 million to a $1.5 million Series A round.

In 2013, Yahoo Inc. agreed to pay $1.1 billion in cash for blogging company Tumblr in another big win for the firm. Tumblr had raised about $125 million from Spark and other investors. Early backers Spark and Union Square Ventures were its largest shareholders.

And also in 2013, Twitter went public. Spark, an early investor, held shares worth $842.8 million. That was nearly double the entire size of the $450 million fourth fund the firm closed in Feb. 2013.

Its latest success is Oculus, an Irvine, Calif., company that raised $2.4 million in a Kickstarter campaign before tapping venture capital.

Once it turned to professional investors, Oculus quickly attracted major attention. Six months after the June 2013 Series A, which also included Founders Fund and Formation 8, Oculus landed $75 million in financing led by Andreessen Horowitz.

The company said much of its initial financing was still in the bank. It hadn’t even launched its 3D headsets into the consumer market.

Earlier this month, it was still developing that product, preparing to launch a new version for game developers, The Wall Street Journal reported.

Even so, Facebook bit, agreeing to pay $400 million in cash and 23.1 million shares of Facebook stock.

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